/*
 * Copyright (c) 2009, Palle Raabjerg
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/* outputparser.mly */
/* Parser for output of the Succinct Solver */
%{
open Printf
let parse_error s = (* Called by the parser function on error *)
  print_endline ("SSolver outputparser: " ^ s);
  flush stdout;;
%}
%token <string> ID
%token <int> NUMBER
%token <char> CHAR
%token RELATION SLASH COLON
%token COMMA LPAREN RPAREN ENDING

%start output
%type <Alfp.term list list Alfp.SMap.t> output
%type <Alfp.term list list> tuples
%type <Alfp.term list> tuple
%type <Alfp.term list> termlist
%type <Alfp.term> term
%%

output:   RELATION ID SLASH NUMBER COLON tuples output { Alfp.SMap.add $2 $6 $7 }
        | RELATION ID SLASH NUMBER COLON output { $6 }
        | RELATION ID SLASH NUMBER COLON tuples ENDING { Alfp.SMap.add $2 $6 Alfp.SMap.empty }
	| RELATION ID SLASH NUMBER COLON ENDING {Alfp.SMap.empty};
tuples:   tuple tuples { $1::$2 }
	| tuple { [$1] };
tuple:    LPAREN termlist RPAREN COMMA { $2 };
termlist: term COMMA termlist { $1::$3 }
	| term { [$1] };
term:     ID { Alfp.Const($1) }
	| ID LPAREN termlist RPAREN { Alfp.FuncApp($1,$3) };
